HAIRY TRIGGER PLANT Stylidium hirsutum Kendenup and Stirling Ranges, 17 October 1951 (ACC 5448A/315) Stylidium hirsutum R. Br. HAIRY TRIGGER PLANT Tufted perennial herb; 0.15-0.7m high; fl. pink, red, Oct-Dec. Sandy or clayey soils. Distribution: SW: AW, ESP, JF, WAR. (G. Paczkowska & A. R. Chapman, p. 551.)